Home / 738,217.40-1,107,326.10-471,184.70

Finding the Fourth Proportional to 738,217.40, 1,107,326.10 and 471,184.70

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Solution

The fourth proportional to 738,217.40, 1,107,326.10 and 471,184.70 is: 706,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,217.40 : 1,107,326.10 = 471,184.70 : x
  2. Step 2: Convert to fraction form
    738,217.40/1,107,326.10 = 471,184.70/x
  3. Step 3: Cross multiply
    738,217.40x = 1,107,326.10 × 471,184.70
  4. Step 4: Simplify right side
    738,217.40x = 521,755,116,230.67
  5. Step 5: Solve for x
    x = 521,755,116,230.67/738,217.40
  6. Step 6: Final answer
    x = 706,777.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.